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Screen Time Effects on Adolescents, . - Coggle Diagram
Screen Time Effects on Adolescents
Sleep quality
Strong link between high screen time and poor sleep outcomes
Bedtime device use
less sleep, lower quality, daytime sleepiness
Nighttime and lights out use
worse sleep quality & insomnia
Close proximity of screens (20-25 cm) worsens the effect
Mechanisms of Disruption
Blue Light Emission
Psychological Stimulation
Academic performance
Indirect Effects
Poor sleep harms concentration, learning, and memory.
Direct Effects
Displacement of study/homework time.
Reduced attention & slower reaction times the next day
4 hours/day linked to lower grades
<2 hours/day linked to better academic performance.
Psychological/Cognitive effects
Attention & Cognition
Short-form videos degrade attention and prospective memory
Bedtime use
Worse attention and focus
Brain Development
Internet addiction linked to weaker brain connectivity in areas for thinking and decision-making
Emotional behavior
Can lead to stress and anxiety
Potential for screen addiction and emotional difficulties
Gaps and future research
Future research
Explore gender differences.
Use experimental designs.
Leverage technology for objective data.
Context gaps
Lack of focus on specific content
Rarely distinguishes between active vs. passive use.
Ignores non-visual activities
Individual differences
Recomendations
For parents.
To teach healthy sleeping habits to their children
Check on their children cellphone habits.
Have a time without screens with them.
For adolecents.
Reduce screen time
Before bedtime
Hold phones farther away
use blue light filters
Balance screen time with physical activity.
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